Whatever you call it -four in a row, four in a line- it's a fun, simple way to pass the time. Here's a colorful, free, easy-to-use version of the perennial favorite. Try to line up four discs of the same color horizontally, vertically or diagonally. Play against your Android device with...

Track your Twitter followers and friends (people that you follow) with this app:
* Supports multiple Twitter accounts (FREE!)
* This app uses OAuth, so we don't store your Twitter password
* List with followers and friends gained and lost
* NEW! You can follow/unfollow other users from the...

This is the Free version of Mobialia Chess, the most complete chess app for Android
Play against AI
- Selectable ELO Levels to adjust playing strength, from 500 to 2100, on 50 ELO points steps
- Selectable time per move: changing the ELO and the time per move, lots of difficulty levels can be...

The best app for chess lovers: Play against AI or online at FICS or ICC
Play against AI
- Selectable ELO Levels to adjust playing strength, from 500 to 2100, on 50 ELO points steps
- Selectable time per move: changing the ELO and the time per move, lots of difficulty levels can be selected
-...

This app is designed to recognize colors using your mobile phone.
Takes a photo and the color on the center is shown on RGB, HSV and HTML notation. Also looks for the nearest color name and speaks it (needs the Speech Synthesis API to speak Colors). It has a list of more than 1600 color names....